public TaskImageDownloadEventArgs(DownloadTask task, ImageViewState view, GalleryImagePath image, byte[] data, int index, int retryCount)
{
this.Task = task;
this.View = view;
this.Image = image;
this.Data = data;
this.Index = index;
this.RetryCount = retryCount;
}
private byte[] Download(GalleryAgent agent, ImageViewState imageViewState, GalleryImagePath imagePath, GalleryParameterValues values)
{
using (var source = new CancellationTokenSource())
{
var cancelSources = this.CancelSources;
try
{
lock (cancelSources)
{
this.ThrowIfCancelRequested();
cancelSources.Add(source);
}
var downloadRequest = agent.CreateImageRequest(imageViewState.View, imagePath, values);
using (var response = agent.Explorer.Request(downloadRequest, source))
{
if (response.StatusCode == HttpStatusCode.ServiceUnavailable)
{
throw new HttpStatusCodeException(response.StatusCode);
}
imageViewState.Length = response.ContentLength;
imageViewState.Position = 0L;
using (var responseStream = response.ReadAsStream())
{
return(this.Download(imageViewState, responseStream));
}
}
}
finally
{
lock (cancelSources)
{
cancelSources.Remove(source);
}
}
}
}
